<template>
  <div class="login">
    <section class="form_container">
        <div class="manage_tip">
            <span class="title"> vkon在线后台管理系统</span>
        </div>
        <el-form :model="loginUser" status-icon :rules="rules" ref="loginForm" label-width="60px" class="loginForm">

          <el-form-item label="邮箱" prop="email">
            <el-input v-model.trim="loginUser.email" autocomplete="off"></el-input>
          </el-form-item>
          <el-form-item label="密码" prop="password">
            <el-input type='password' v-model.trim="loginUser.password"></el-input>
          </el-form-item>

          <el-form-item>
            <el-button type="primary" @click="submitForm('loginForm')">登录</el-button>
          </el-form-item>
          <div class="tiparea">
            <p>还没有账号？现在<router-link to='/register'>注册</router-link></p>
          </div>
        </el-form>
    </section>
  </div>
</template>

<script>
// @ is an alias to /src
import jwt_decode from 'jwt-decode'
export default {
  name: 'login',
  components: {},
  data() {
    return {
      loginUser: {
        email: '',
        password: ''
      },
      rules: {
        email:  [
          { required: true, type: 'email', message: '邮箱格式不正确', trigger: 'blur' }
        ],
        password:  [
          { required: true, message: '密码不能为空', trigger: 'blur' },
          { min: 6, max: 30, message: '密码长度必须在6到30个字符之间', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    submitForm(formName) {
      this.$refs[formName].validate((valid) => {
          if (valid) {
            this.$axios.post('/api/users/login',this.loginUser)
              .then(res => {
                //tokn
                //console.log(res)
                const { token } = res.data;
                localStorage.setItem("eleToken", token)

                const decoded = jwt_decode(token)

                //存储数据
                this.$store.dispatch('setIsAutnenticated', !this.isEmpty(decoded))
                this.$store.dispatch('setUser', decoded)

                console.log(decoded)
                this.$router.push('/index')
                 
              }).catch(error=>{
                console.log(error)
              })

          } else {
            console.log('error submit!!');
            return false;
          }
        });
    },
    isEmpty(value) {
      return (
        value === undefined ||
        value === null ||
        (typeof value === "object" && Object.keys(value).length === 0) ||
        (typeof value === "string" && value.trim().length === 0)
      );
    }
  }
}
</script>

<style lang="less" scoped>
.login {
  position: relative;
  width: 100%;
  height: 100%;
  background: url(../assets/bg.jpg) no-repeat center center;
  background-size: 100% 100%;
}
.form_container {
  width: 370px;
  height: 210px;
  position: absolute;
  top: 20%;
  left: 34%;
  padding: 25px;
  border-radius: 5px;
  text-align: center;
}
.form_container .manage_tip .title {
  font-family: "Microsoft YaHei";
  font-weight: bold;
  font-size: 26px;
  color: #fff;
}
.loginForm {
  margin-top: 20px;
  background-color: #fff;
  padding: 20px 40px 20px 20px;
  border-radius: 5px;
  box-shadow: 0px 5px 10px #cccc;
}

.submit_btn {
  width: 100%;
}
.tiparea {
  text-align: right;
  font-size: 12px;
  color: #333;
}
.tiparea p a {
  color: #409eff;
}
</style>

